Language and Content

Listen and Read Along

Focus on Genre

Informational Text Informational text gives facts and details about a topic. It is nonfiction. This text explains how scientists use rocks to get information about the past.

Focus on Comprehension

Identify Details When a writer gives information, he or she includes details about the topic. As you read this selection, look for details about rocks and how scientists use them.

Illustration of a graphic to organize details about a topic
Photograph of the theme book, “Geologists: Rock Scientists”